| This web site includes annotated stream, hydrogeology, and groundwater interference exhibits from The Region of York 9th Line (Ninth line), 16th Ave (Sixteenth Avenue), Southeast Collector Environmental Assessment and construction dewatering monitoring for the York Durham Sewer System, located within the Greater Toronto Area (GTA), Ontario, Canada. |
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| York Durham Sanitary Sewer: Component (Piecemeal) Projects: |
| Lower 9th Line (Box Grove to Little Rouge Creek) |
| 16th Avenue Phase I (9th Line to Stone Mason Drive) |
| 16th Avenue Phase II (Stone Mason Drive to Warden Avenue) |
| Upper 9th Line (from Little Rouge Creek to Stouffville) |
| Southeast Collector (Monitoring Only) |
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| Attachments with annotation follow. To access the exhibits click on the ‘hyperlinks’ below. Check here for Update History. |
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| 1) Memorandum Response to The Region's E-mail of February 14, 2008 |
Undisclosed Groundwater Interference, Loss of Stream Base Flow and Rural Ratepayer Damages. |
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Report Section 23: Overview, Conclusions and Recommendations updated |
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Report Sections 1-22: Details updated table of contents |
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Attach A: Mid Project Environmental Assessment Upper/Lower 9th Line and 16th Ave Cumulative Dewatering. |
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Attach B: Shaft C8 Monthly Permitted vs Actual Dewatering Rates. |
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Attach C: Reality (2005) vs Predicted Drawdowns (2003). |
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Attach D: Relief Map with Esker trends. |
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Attach E: 9th Line/16th Ave Drawdown Interference at Monitor Well 18-87. |
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Attach F: Upper 9th Line Trunk Sewer Construction Daily Dewatering Rates. |
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| 2) Attachments 80 to 112 |
Groundwater Interference Illustrations. |
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| 3) Attachments 200 to 211 |
Groundwater Monitoring Hydrographs to June 2008. |
Hydrographs with added notes illustrating drawdown and recovery hydraulics. |
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| 4) Instruments new |
Permit to Take Water (PTTW) documents and MOE Minister's Letter. |
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| Communications |
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To The Region January 16, 2008 16th Ave Request for Information |
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From The Region February 14, 2008 The Region's E-mail |
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To The Region May 1/June 12, 2008 Southeast Collector EA Request for Information |
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From The Region October 1, 2008 Southeast Collector Response new |
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| Web Links |
The Region's BMR/MMR Reports. July/August 2008 May/June 2008 August 2005 June 2005 |
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Report No. 6 of the Transportation and Works Committee Regional Council Meeting June 19, 2008 |
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The Region's YDSS Overview February 2007. |
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Statement from Resident August 5, 2005. new |
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Community Liaison Committee (CLC) Meeting July 28, 2005. |
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The Region's Environmental Management Plan (EMP) May 2004. |
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Appendix A3: Model Development (EMP) May 2004. |
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Resident Letter to Donald Cousens March 21, 2003. new |
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The Region's Notice to Residents February 3, 2003. |
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The Town of Markham Letter to MOE June 27, 2002. new |
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| Contact us |
Please contact us at YDSSimpacts@hunter-gis.com should you wish to request revisions and/or contribute information to this website, or if you have unresolved stream, groundwater and/or well interference complaints related to the YDSS projects. |
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